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8292279: (fs) Use try-with-resources to release NativeBuffer

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Reviewed-by: alanb
This commit is contained in:
Andrey Turbanov 2022-08-17 07:18:29 +00:00
parent a25e1dc53c
commit 1d9c2f7a6e
13 changed files with 61 additions and 168 deletions
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15
src/java.base/linux/classes/sun/nio/fs/LinuxNativeDispatcher.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2008, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -36,13 +36,9 @@ class LinuxNativeDispatcher extends UnixNativeDispatcher {
* FILE *setmntent(const char *filename, const char *type);
*/
static long setmntent(byte[] filename, byte[] type) throws UnixException {
NativeBuffer pathBuffer = NativeBuffers.asNativeBuffer(filename);
NativeBuffer typeBuffer = NativeBuffers.asNativeBuffer(type);
try {
try (NativeBuffer pathBuffer = NativeBuffers.asNativeBuffer(filename);
NativeBuffer typeBuffer = NativeBuffers.asNativeBuffer(type)) {
return setmntent0(pathBuffer.address(), typeBuffer.address());
} finally {
typeBuffer.release();
pathBuffer.release();
}
}
private static native long setmntent0(long pathAddress, long typeAddress)
@ -53,11 +49,8 @@ class LinuxNativeDispatcher extends UnixNativeDispatcher {
*/
static int getmntent(long fp, UnixMountEntry entry, int buflen) throws UnixException {
NativeBuffer buffer = NativeBuffers.getNativeBuffer(buflen);
try {
try (NativeBuffer buffer = NativeBuffers.getNativeBuffer(buflen)) {
return getmntent0(fp, entry, buffer.address(), buflen);
} finally {
buffer.release();
}
}